The power that propells this car is not electric power but wind power! The propeller spins and creates a force so the car move forward. There are many examples of this principle in our every day life: The electric fan, air conditioner, kitchen ventilator, wind power, electric generator and steamship. Your students will love this build as well as the challenge of racing them after they have completed their design! *See ADDITIONAL RESOURCES above to access our Teachers Resource guide pertaining to this kit.